21806581321

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1\times {\mathrm{53017}}^1$

素因数の和:53968

約数の個数: 16

約数和(自身を含む): 25323093376

約数和(自身を除く): 3516512055

約数列:

[1, 7, 67, 469, 877, 6139, 53017, 58759, 371119, 411313, 3552139, 24864973, 46495909, 325471363, 3115225903, 21806581321]

約数ペア:

[(1, 21806581321), (7, 3115225903), (67, 325471363), (469, 46495909), (877, 24864973), (6139, 3552139), (53017, 411313), (58759, 371119)]